INSULATED MUG: Double-wall, vacuum-sealed construction keeps drinks cold for 24 hours or hot for 8 hours; unique design prevents condensation from forming on the exterior. NEW SECURE DESIGN: New and improved Tritan press-fit lid with a sliding splash guard; rubber grip provides a comfortable hold. DURABLE & SAFE: High-quality, food-grade, and double walled vacuum sealed stainless steel. SUSTAINABLE: Reusable mug helps reduce plastic waste. CAR CUP FRIENDLY: Measures 4.74" tall with a 3.25" diameter and holds 12 fluid ounces; fits in standard-sized cup holders.